Zhenggang Zhu

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
BUILDING MANAGEMENT SYSTEM AND POSITIONING METHOD IN BUILDING
- Publication number 20210208551
- Publication date Jul 8, 2021
- Carrier Corporation
- Yuanjing Sun
- G05 - CONTROLLING REGULATING
Information Patent Application
ELEVATOR CONTROL SYSTEM AND ELEVATOR CONTROL METHOD FOR EVACUATION
- Publication number 20190241400
- Publication date Aug 8, 2019
- Otis Elevator Company
- Kai Zhang
- B66 - HOISTING LIFTING HAULING